CN108261926A - Flow guiding disc without angle positioning - Google Patents
Flow guiding disc without angle positioning Download PDFInfo
- Publication number
- CN108261926A CN108261926A CN201810206342.7A CN201810206342A CN108261926A CN 108261926 A CN108261926 A CN 108261926A CN 201810206342 A CN201810206342 A CN 201810206342A CN 108261926 A CN108261926 A CN 108261926A
- Authority
- CN
- China
- Prior art keywords
- flow guiding
- guiding disc
- water purification
- convex platform
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000000746 purification Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 description 11
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention provides a kind of flow guiding discs without angle positioning, first when two flow guiding disc axially positions assemble, the annular that need to only a positive positioning convex platform of flow guiding disc is used to be inserted into another flow guiding disc back side is kept away in a groove, you can completes two flow guiding disc axially position assemblings.Secondly, flow guiding disc disc core is provided with radial ringed water purification groove, there is provided several fan annular convex platform that radial width is less than it again on radial ringed water purification groove, water purification is in radial ringed water purification groove in this way, it is flowed between two neighboring fan annular convex platform and on the inner wall of tie rod hole, so even if two flow guiding discs are when axially position assembles, part between the fan annular convex platform of one flow guiding disc and two fan annular convex platform on another flow guiding disc is aligned in the axial direction, water purification can also form water purification circuit between above-mentioned three, therefore the flow guiding disc is radially without positioning, namely positioned without angle, so that assembling procedure is simplified, packaging efficiency is improved.
Description
Technical field
The present invention relates to disc tube reverse osmosis (dt-ro) membrane module system more particularly to a kind of flow guiding discs without angle positioning.
Background technology
In sewage disposal device, especially the high pollution moisture film separating treatment equipment of running environment harshness, flow guiding disc are
One of essential basic module, main function are that the liquid flow direction in sewage disposal device is oriented to, Jin Ershi
The separation of existing dope and clear liquid.The center permeate band of traditional film column flow guiding disc is open, fully relies on sealing
Circle sealing, when sealing ring both ends pressure difference is excessive, sealing ring will move, and permeate is caused to be mixed with stoste, influence to concentrate, carry
Pure effect.
Chinese patent CN205868027U (application numbers：201620545188.2 the day for announcing：On January 11st, 2017) it is open
A kind of dish tubular membrane column flow guiding disc, please refers to Fig. 1, including flow guiding disc ontology 10, flow guiding disc ontology offers drawing at 10 center
Rod aperture 20, the 20 outer rim upper surface of tie rod hole raise up to form the boss 30 of annular, the boss 30 at 20 outer rim of tie rod hole
To be arranged at intervals, the water purification collecting tank 80 collected to purified water, water purification collecting tank 80 are equipped between every two adjacent boss 30
It is set as equally distributed several, this 80 diametrical depth of water purification collecting tank is equal to 30 diametrical width of boss
, 20 outer rim lower face of tie rod hole is recessed inwardly to form annular groove 70, and 30 upper surface of boss is several fixed around being evenly distributed with
Position pin 40, annular groove 70 are interior corresponding to the location holes coordinated at positioning pin 40 equipped with several and positioning pin 40,30 outer rim of boss
Along flow guiding disc radial direction around water conservancy diversion disk axis around several straight slots 50 are equipped with, this flow guiding disc is simple in structure, easy to process, close
Envelope property is good and is easy to overhaul.
But usual flow guiding disc is due to needing lamination that could form water purification circuit after assembling, so being needed when flow guiding disc lamination assembles
Positioning pin 40 and location hole to be needed to position in the axial direction.If do not positioned, product will occur at random when lamination assembles
Angular deflection.Deflection angle is if it exceeds certain value, boss 30 understand the water purification collecting tank 80 with another flow guiding disc in axial direction
Upper alignment, the flowing of water purification in the water purification collecting tank 80 of obstruction, the part after lamination assembling cannot form unobstructed water purification and return
Road, then water purification can not be successfully discharge.It is by water conservancy diversion disc spins to positioning pin 40 and positioning that is, during general lamination assembling
Hole relatively just can, for the ease of observation, positioning convex point generally can be also set on flow guiding disc excircle, such as when two flow guiding discs
Positioning convex point all rotate to same axial direction, just can confirm that positioning pin 40 is just opposite with location hole at this time, then could will be fixed
Position pin 40 is inserted into location hole and makees axially position.
Lamination assembling is carried out due to needing " positioning " and " positioning confirmation " this two-step, thus causes lamination assembling
When it is time-consuming, take a lot of work.And inaccurate in case of aligning, positioning pin 40 cannot enter location hole, then be locked in fastening screw
When, it will result in scrapping for part.In addition in dismounting, to lamination, decomposition, the go-no-go of assembled flow guiding disc component also all need
Want a large amount of manpower.
Invention content
The present invention provides a kind of flow guiding disc without angle positioning, to solve to need first angle to position in existing flow guiding disc
After could axially position the problem of.
In order to achieve the above objectives, the present invention provides a kind of flow guiding discs without angle positioning, are used to place including one
The flow guiding disc disk body of filter membrane piece has opened up the tie rod hole for being arranged pull rod at the center of flow guiding disc disk body, in the tie rod hole
Periphery has radially set gradually disc core and the sealing for water purification and sewage to be isolated, and the one side of the flow guiding disc is defined
For front, another side is defined as the back side；
In front, the disc core is provided with radial ringed water purification groove, the radial ringed water purification around the tie rod hole
Several are provided on groove along the axial raised fan annular convex platform of the tie rod hole, all fan annular convex platform are coaxial,
The diametrical width of the fan annular convex platform is less than the diametrical width of the radial ringed water purification groove, the fan ring
The height of shape boss is greater than or equal to the depth of the radial ringed water purification groove, is set on several described fan annular convex platform
Along the tie rod hole axial raised positioning convex platform, all positioning convex platforms are coaxial；
Overleaf, annular provided circumferentially about corresponding with the positioning convex platform position keeps away a groove, and it is recessed that the annular keeps away position
The diametrical width of slot is greater than or equal to the diametrical width of the positioning convex platform；
When the annular that a positive positioning convex platform of flow guiding disc is inserted into another flow guiding disc back side is kept away in a groove, water purification exists
It is flowed between the radial ringed water purification groove, the two neighboring fan annular convex platform and on the inner wall of the tie rod hole.
Preferably, the annular keeps away height of the depth more than or equal to the positioning convex platform of a groove.
Preferably, the medial surface of the fan annular convex platform is located on the circumference of the tie rod hole.
Preferably, between the two neighboring fan annular convex platform, the inner wall of the tie rod hole is to the sealing side
Axial arc water purification groove is formd to recess.
Preferably, in front, chamfering is provided between the fan annular convex platform and the tie rod hole inner wall；Overleaf,
Chamfering is also provided between the tie rod hole inner wall and the disc core.
Preferably, seal groove is provided in the sealing, for placing sealing ring.
Preferably, the seal groove is located at the radial ringed water purification groove periphery.
Preferably, the seal groove periphery setting straight slot.
Preferably, several columns salient point and several columns convex block are provided on the flow guiding disc disk body, it is all in each row
The convex block is along the flow guiding disc disk body arranged radially.
Preferably, the Circularhole diameter of the filtration membrane center setting is equal to the circle that all positioning convex platforms surround
Outer diameter.
Compared with prior art, the present invention provides a kind of flow guiding disc without angle positioning, first when two flow guiding discs
When axially position assembles, the annular that need to only a positive positioning convex platform of flow guiding disc is used to be inserted into another flow guiding disc back side keeps away position
In groove, you can complete two flow guiding disc axially position assemblings.
Secondly, flow guiding disc disc core is provided with radial ringed water purification groove, and there is provided diameters again on radial ringed water purification groove
It is less than its several fan annular convex platform to width, such water purification is in the radial ringed water purification groove, the two neighboring fan
Flowed between annular convex platform and on the inner wall of the tie rod hole, so even if two flow guiding discs when axially position assembles, one
Part between the fan annular convex platform of a flow guiding disc and two fan annular convex platform on another flow guiding disc is aligned in the axial direction, water purification
Also water purification circuit can be formed between above-mentioned three, therefore flow guiding disc provided by the invention need not position radially, also
It is to be positioned without angle.
Due to being positioned without angle, positioning column and location hole are eliminated in design, is also just eliminated in the assembling of product lamination
Two procedures：" positioning " and " confirmation ", so assembling procedure is simplified, packaging efficiency is improved.
Due to not needing to position, avoid in the inaccurate pull rod screw locking of positioning, weighing wounded for part is scrapped, and makes assembling part
Matter is greatly enhanced, reduce it is bad, reduce cost.
Due to the simplification of process, the raising of quality so that production procedure is simple and easy to control, while can accomplish energy saving subtract again
Row, can more meet 4.0 needs of industry assembled automatically.
Description of the drawings
Fig. 1 is flow guiding disc structure diagram in the prior art；
Fig. 2 is flow guiding disc front schematic view provided by the invention；
Fig. 3 is flow guiding disc schematic rear view provided by the invention；
Fig. 4 is flow guiding disc disc core positive structure schematic provided by the invention；
Fig. 5 is cut-away view at A-A in Fig. 4；
Fig. 6 is flow guiding disc disc core schematic rear view provided by the invention；
Fig. 7 is the sectional view at the A-A visual angles after flow guiding disc lamination provided by the invention assembling.
In Fig. 1：10- flow guiding discs ontology, 20- tie rod holes, 30- boss, 40- positioning pins, 50- straight slots, 70- annular grooves,
80- water purification collecting tanks；
In Fig. 2~Fig. 7：The radial ringed water purification groove of 100- tie rod holes, 200- disc cores, 210-, 211- fan annular convex platform,
212- positioning convex platforms, 213- chamferings, 214- connecting grooves, 220- annulars keep away a groove, 230- axial direction arc water purifications groove, 300-
Sealing, 310- seal grooves, 320- sealing rings, 400- straight slots, 510- salient points, 520- convex blocks.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
It please refers to Fig.2 to Fig. 7, the present invention provides a kind of flow guiding discs without angle positioning, are used to place including one
The flow guiding disc disk body of filter membrane piece (not shown) has opened up the tie rod hole 100 for being arranged pull rod at the center of flow guiding disc disk body,
100 periphery of tie rod hole has radially set gradually disc core 200 and the sealing 300 for water purification and sewage to be isolated, will
The flow guiding disc is defined as front on one side, and another side is defined as the back side；
In front, the disc core 200 is provided with radial ringed water purification groove 210, the radial direction around the tie rod hole 100
Several are provided on annular water purification groove 210 along the axial raised fan annular convex platform 211 of the tie rod hole 100, all institutes
It is coaxial to state fan annular convex platform 211, has been uniformly arranged eight fan annulars altogether around the central shaft of tie rod hole 100 in the present embodiment
Boss 211, it is diametrical that 211 diametrical width of the fan annular convex platform is less than the radial ringed water purification groove 210
Width, the height of the fan annular convex platform 211 is greater than or equal to the depth of the radial ringed water purification groove 210, in this implementation
The height of example middle fan annular convex platform 211 is more than the depth of radial ringed water purification groove 210, determines between two fan annular convex platform 211
Justice is connecting groove 214, and it is axial raised fixed along the tie rod hole 100 to be provided on several described fan annular convex platform 211
Position boss 212, all positioning convex platforms 212 are coaxial, in the present embodiment, have chosen on four symmetrical fan annular convex platform 211
Positioning convex platform 212 is set, and four positioning convex platforms 212 surround a circle, and each 212 shape of positioning convex platform is ellipticity, length
For the length of one end minor arc on the circle, the outer diameter of the circle is equal to the outer diameter of circle that all fan annular convex platform 211 are formed, that is to say, that
The lateral surface of each positioning convex platform 212 and the lateral surface for fanning annular convex platform 211 are coplanar, 212 diametrical width of positioning convex platform
It is much smaller than fan 211 diametrical width of annular convex platform；
Overleaf, annular provided circumferentially about corresponding with 212 position of positioning convex platform keeps away a groove 220, the annular
220 diametrical width of a groove is kept away more than or equal to the 212 diametrical width of positioning convex platform, preferably, described
Annular keeps away height of the depth more than or equal to the positioning convex platform 212 of a groove 220.
When the annular that the positive positioning convex platform 212 of a flow guiding disc is inserted into another flow guiding disc back side is kept away in a groove 220,
Connecting groove 214 and described of the water purification between radial ringed water purification groove 220, the two neighboring fan annular convex platform 211
It is flowed on the inner wall of tie rod hole 100.
Specifically, the medial surface of the fan annular convex platform 211 is located on the circumference of the tie rod hole 100, fans annular convex platform
211 form chamfering 213, and overleaf with the hole wall of tie rod hole 100, between 100 hole wall of tie rod hole and the disc core 200
Chamfering 213 is also provided with, which is located at the hole wall of tie rod hole 100 and annular is kept away between the cell wall outside of a groove 220.
In this way after two flow guiding discs are completed in the axial direction, chamfering 213 is so that water purification can be flowed more between two flow guiding discs
It is smooth.
Preferably, between the two neighboring fan annular convex platform 211, the inner wall of the tie rod hole 100 is to described close
300 direction of envelope portion recess forms axial arc water purification groove 230, and the glide path of such water purification is in radial ringed water purification groove
210th, in connecting groove 214 and axial arc water purification groove 230.
Preferably, seal groove 310 is provided in the sealing 300, for placing sealing ring 320, seal groove 310
In radial ringed 210 periphery of water purification groove, the cell wall of the cell wall of seal groove 310 and radial ringed water purification groove 210 is disk
Same bulge loop on core 200.
Preferably, the 310 periphery setting straight slot 400 of seal groove, straight slot 400 are arranged on the disk of flow guiding disc disk body
On, for placing filtration membrane (not shown) in the disk, several columns salient point 510 and several columns convex block are provided in the disk
520, all convex blocks 520 are along the flow guiding disc disk body arranged radially in each row.
It is surrounded preferably, the Circularhole diameter of the filtration membrane center setting is equal to all fan annular convex platform 211
Circle outer diameter, that is to say, that the fan annular convex platform 211 be position filtration membrane circular hole so as to position filtration membrane.
Compared with prior art, the present invention provides a kind of flow guiding disc without angle positioning, first when two flow guiding discs
When axially position assembles, the positive positioning convex platform 212 of a flow guiding disc need to only be used to be inserted into the annular at another flow guiding disc back side
It keeps away in a groove 220, you can complete two flow guiding disc axially position assemblings.
Secondly, flow guiding disc disc core is provided with radial ringed water purification groove 210, is set again on radial ringed water purification groove 210
Several fan annular convex platform 211 of radial width less than it are put, such water purification is in the radial ringed water purification groove 210, phase
It is flowed between adjacent two fan annular convex platform 211 and on the inner wall of the tie rod hole 100, so even if two flow guiding discs exist
When axially position assembles, on the fan annular convex platform 211 and another flow guiding disc of a flow guiding disc between two fan annular convex platform 211
Part be aligned in the axial direction, water purification can also form water purification circuit, therefore water conservancy diversion provided by the invention between above-mentioned three
Disk positions radially without positioning, that is, without angle.
Due to being positioned without angle, positioning column and location hole are eliminated in design, is also just eliminated in the assembling of product lamination
Two procedures：" positioning " and " confirmation ", so assembling procedure is simplified, packaging efficiency is improved.
Due to not needing to position, avoid in the inaccurate pull rod screw locking of positioning, weighing wounded for part is scrapped, and makes assembling part
Matter is greatly enhanced, reduce it is bad, reduce cost.
Due to the simplification of process, the raising of quality so that production procedure is simple and easy to control, while can accomplish energy saving subtract again
Row, can more meet 4.0 needs of industry assembled automatically.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention
And range.If these modifications and changes of the present invention belongs within the scope of the claims in the present invention and its equivalent technologies, this
Invention is also intended to including these modification and variations.
Claims (10)
1. a kind of flow guiding disc without angle positioning, the flow guiding disc disk body for being used to place filtration membrane including one, flow guiding disc disk body
Center at opened up to be arranged the tie rod hole of pull rod, which is characterized in that radially set gradually in the tie rod hole periphery
Disc core and for by the sealing of water purification and sewage isolation, the flow guiding disc to be defined as front, another side definition on one side
For the back side；
In front, the disc core is provided with radial ringed water purification groove, the radial ringed water purification groove around the tie rod hole
Upper to be provided with several along the axial raised fan annular convex platform of the tie rod hole, all fan annular convex platform are coaxial, described
Fan the diametrical width that the diametrical width of annular convex platform is less than the radial ringed water purification groove, the fan convex annular
The height of platform is greater than or equal to the depth of the radial ringed water purification groove, and edge is provided on several described fan annular convex platform
The axial raised positioning convex platform of tie rod hole, all positioning convex platforms are coaxial；
Overleaf, annular provided circumferentially about corresponding with the positioning convex platform position keeps away a groove, and the annular keeps away a groove and exists
Width radially is greater than or equal to the diametrical width of the positioning convex platform；
When the annular that a positive positioning convex platform of flow guiding disc is inserted into another flow guiding disc back side is kept away in a groove, water purification is described
It is flowed between radial ringed water purification groove, the two neighboring fan annular convex platform and on the inner wall of the tie rod hole.
2. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that the annular keeps away the depth of a groove
More than or equal to the height of the positioning convex platform.
3. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that the medial surface of the fan annular convex platform
On the circumference of the tie rod hole.
4. the flow guiding disc without angle positioning as claimed in claim 3, which is characterized in that in the two neighboring fan convex annular
Between platform, the inner wall of the tie rod hole forms axial arc water purification groove to sealing direction recess.
5. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that in front, the fan annular convex platform
Chamfering is provided between the tie rod hole inner wall；Overleaf, it is also provided with down between the tie rod hole inner wall and the disc core
Angle.
6. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that be provided with and be used in the sealing
Place the seal groove of sealing ring.
7. the flow guiding disc without angle positioning as claimed in claim 6, which is characterized in that the seal groove is located at the radial direction
Annular water purification groove periphery.
8. the flow guiding disc without angle positioning as claimed in claim 7, which is characterized in that the seal groove periphery setting is logical
Slot.
9. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that be provided on the flow guiding disc disk body
Several columns salient point and several columns convex block, all convex blocks are along the flow guiding disc disk body arranged radially in each row.
10. the flow guiding disc without angle positioning as described in claim 1, which is characterized in that the filtration membrane center setting
Circularhole diameter be equal to the outer diameter of circle that surrounds of all positioning convex platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206342.7A CN108261926B (en) | 2018-03-13 | 2018-03-13 | Flow guide disc without angle positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206342.7A CN108261926B (en) | 2018-03-13 | 2018-03-13 | Flow guide disc without angle positioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108261926A true CN108261926A (en) | 2018-07-10 |
| CN108261926B CN108261926B (en) | 2024-02-13 |
Family
ID=62774881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810206342.7A Active CN108261926B (en) | 2018-03-13 | 2018-03-13 | Flow guide disc without angle positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108261926B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499368A (en) * | 2018-11-01 | 2019-03-22 | 江苏坤奕环境工程有限公司 | A kind of flow guiding disc for high pressure dish tubular membrane component |
| CN109574149A (en) * | 2018-12-29 | 2019-04-05 | 江苏坤奕环境工程有限公司 | A kind of open runner disc tube reverse osmosis (dt-ro) membrane module of super-pressure |
| CN110639368A (en) * | 2019-09-26 | 2020-01-03 | 科诺思膜技术(厦门)有限公司 | Dish tubular membrane module flow guide plate |
| CN115475532A (en) * | 2021-06-16 | 2022-12-16 | 烟台金正环保科技有限公司 | Anti-locking rod disc tubular membrane column |
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| CN109574149A (en) * | 2018-12-29 | 2019-04-05 | 江苏坤奕环境工程有限公司 | A kind of open runner disc tube reverse osmosis (dt-ro) membrane module of super-pressure |
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| CN110639368A (en) * | 2019-09-26 | 2020-01-03 | 科诺思膜技术(厦门)有限公司 | Dish tubular membrane module flow guide plate |
| CN110639368B (en) * | 2019-09-26 | 2022-07-12 | 优尼索膜技术(厦门)有限公司 | Dish tubular membrane module flow guide plate |
| CN115475532A (en) * | 2021-06-16 | 2022-12-16 | 烟台金正环保科技有限公司 | Anti-locking rod disc tubular membrane column |
| CN115475532B (en) * | 2021-06-16 | 2024-01-05 | 烟台金正环保科技有限公司 | Prevent holding pole dish tubular membrane post |
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| CN108261926B (en) | 2024-02-13 |
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